Search Interview Questions
| More than 3000 questions in repository.|
There are more than 900 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Core java - Interview Questions and Answers for 'Coupang' - 1 question(s) found - Order By Newest|
|Very frequently asked across all types of companies.|
|Ans. Hashtable is synchronized whereas HashMap is not.HashMap allows null values whereas Hashtable doesnt allow null values.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  java   collections   hashmap   map   hashtable   basic interview question   ebay   tcs   hcl technologies   infosys technologies Asked in 14 Companies basic   frequent|
Try 2 Question(s) Test